Items

• [D7829ZBZ], Letter from Paul Oeker to Thomas Alva Edison, June 9th, 1878
  1878-06-09
• [D7829ZCI], Letter from Paul Oeker to Thomas Alva Edison, July 1st, 1878
  1878-07-01
• [D7829ZCN], Letter from Paul Oeker to Thomas Alva Edison, August 6th, 1878
  1878-08-06